Week One - Tiffany

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Across
  1. 3. always consist of a certain digit and an estimated digit
  2. 8. a variable that does not depend on another variable to change
  3. 10. a variable held constant to determine if an effect occurred
  4. 12. have a positive charge
  5. 14. a change in matter that does not change the identity of the substances
  6. 16. have no charge
  7. 17. the space an object occupies(L*W*H)
  8. 20. to describe where electrons are located on the atom is electron _____?
  9. 21. each row on the periodic table represents a different electron ____?
  10. 24. mass/volume
  11. 25. a wave is how long the wave is, from peak to peak
  12. 26. something that can change
Down
  1. 1. how many waves pass through a given point in one second
  2. 2. deals with what you see
  3. 4. a radiation that is a combination of an electric and magnetic
  4. 5. have a negative charge
  5. 6. zeros that are at the end of the numbers, IF there is NO decimal point, none of them count
  6. 7. zeros that are stuck between numbers always count
  7. 9. a variable that depends on another variable to change
  8. 11. zeros that come before a number never count
  9. 13. close to the right answer
  10. 15. several measurements are close together
  11. 18. deals with numbers
  12. 19. amount of stuff/matter in a substance (measure in grams)
  13. 20. a change that changes the substances into something else
  14. 22. a state when an electron is at its lowest energy level
  15. 23. a system that is internationally agreed upon standard of measurement based on the meter and the kilogram
  16. 27. a state when it has absorb energy